Timothy Pratley a écrit : > I want to grow a tree programmatically so have been trying zippers: > > (defn insert-parent [loc n] > (clojure.zip/replace loc (clojure.zip/make-node > loc n loc))) > (println (clojure.zip/root (insert-parent (clojure.zip/seq-zip (list > 1)) 2))) > (println (clojure.zip/root (clojure.zip/append-child > (clojure.zip/seq-zip (list 1)) 2))) > > [(1) nil] > (1 2) > > My 'insert-parent' function does not work, I was trying to get (2 1) - > any tips? >
It's clojure.zip/insert-child you are looking for: clojure.contrib.struct-ed=> (clojure.zip/root (clojure.zip/insert-child (clojure.zip/seq-zip (list 1)) 2)) (2 1) Christophe --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en -~----------~----~----~----~------~----~------~--~---